Income Taxes (Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ (1,716)	$ 448	$ (2,093)	$ 172
Federal Statutory Income Tax Rate	21.00%	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ (687)	$ (521)	$ (1,726)	$ (632)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	8.40%	(24.40%)	17.30%	(77.40%)
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount	$ (35)	$ (57)	$ (113)	$ (175)
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	0.40%	(2.70%)	1.10%	(21.40%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ (646)	$ (1,796)	$ 200	$ 1,468
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	7.90%	(84.20%)	(2.00%)	179.70%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	$ 98	$ 1,923	$ 10	$ 1,923
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	(1.20%)	90.20%	(0.10%)	235.40%
Unrecognized Tax Benefits, Income Tax Penalties Expense	$ 630	$ (2,284)	$ 2,673	$ 132
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Percent	(7.70%)	(107.10%)	(26.80%)	16.20%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	$ (620)	$ (27)	$ (620)	$ (27)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent	7.60%	(1.30%)	6.20%	(3.30%)
Subpart F Income	$ 787	$ 2,253	$ 2,180	$ 3,848
Subpart F Income, Percent	(9.60%)	105.70%	(21.90%)	471.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation	$ 2,041	$ 0	$ 2,042	$ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense Officer Compensation, Percent	(25.00%)	0.00%	(20.50%)	0.00%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ (108)	$ 147	$ 5	$ 429
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	1.30%	6.90%	(0.10%)	52.50%
Income tax expense (benefit)	$ (256)	$ 86	$ 2,558	$ 7,138
Effective Income Tax Rate	3.10%	4.10%	(25.80%)	873.70%